EXP Computer C4077-90960 - Manual (Page 105)

Paper Paths and Components
Printer, Duplex Unit, and Envelope Feeder
The components of the printer paper path are illustrated in Figure 5-14.
Figure 5-15 and Table 5-1 illustrate and describe all of the printer sensors,
solenoids, clutches, motors, and fans.
Figure 5-14 Printer Paper Paths
5-20 Functional Overview